A virus is a small infectious agent that can replicate only inside the living cells of an organism. Viruses can infect all types of organisms, from animals and plants to bacteria and archaea.
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3

Some thoughts...:
Without a picture it's very difficult to diagnose a skin condition, and what you're describing can have many different causes. It could be a mild eczema, a fungal infection, a viral exanthem, a reaction to something you've come in contact with (a new perfume, lotion, soap), bug bites... It's a long list. If otc Hydrocortisone or Benadryl (diphenhydramine) isn't helping, make sure to check in with your doc!
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4

Scarlet Fever?:
Fever? Tonsillitis can be from Group A Strepbacteria, which if severe can cause a rash (usually not itchy though), in association with high fever and must be treated with antibiotics. See a doctor as soon as possible. IF NO FEVER, you may have Fifth Disease -- a benign rash from a virus which also causes your tonsillitis. If you are on medications, could be allergy. Lots of causes, see Dr.
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5

Probably no STD:
Syphilis can cause a body-wide rash, but not hive-like and usually not itchy. If you think you're at risk for STDs, get tested. But an STD is not a likely cause of this rash. Most rashes like this are due to drug allergy -- which could include an STD drug if you're on treatment. In that case, contact the doctor treating you. Good luck!
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7

See a dermatologist:
It is difficult to make a proper diagnosis since I am not there to see the condition. I recommend seeing a dermatologist so that they can make a proper diagnosis and give you something to get rid of the condition or relieve symptoms.
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8

Yes:
Skin that is very dry can develop irritation. The best treatment would probably be to use a cream that is both an exfoliant and emollient. I generally recommend either a lactic or a glycolic acid cream to help get rid of the dry, rough skin.
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9

Perhaps:
Diagnosis cannot be made from your short list of symptoms alone. When was the last time you had a comprehensive Dental examination and a comprehensive Medical physical. If it's been a while, please schedule now.
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10

no:
If holding hands is a problem due to your dry skin it is time to see your medspa doctor and review how to hydrate as well as what products will help with this. Often time people also discuss dermal fillers to plump up the hands to make them more youthful.
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11

Not likely:
Skin tags do not tend to spread, but can occur in nearby areas. If problems are spreading, be certain they are not viral in nature, like warts. Suggest you visit your ob-gyn for examination to confirm. They can easily remove tags for you.
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15

Rash:
This can't be diagnosed with the information that is available. A history, physical examination & other studies may be needed to determine cause/causes.
Once accurately assessed a treatment plan can be developed.
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16

Herpes:
It is still contagious even after the lesions have healed and they don't look like they are there, although when there are vesicles with fluid in them it is more contagious any kind of skin to skin contact can spread herpes. Asymptomatic people infected with hsv1 or hsv2 can still transmit the virus. The virus replicates on mucocutaneous surfaces and infects sensory nerve terminals and nucl.
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18

Fungal rash:
Usually doesn't look like a friction rash or rash from razor burn, but they can appear atypical. It is best to have a knowledgeable provider look at it. One look is worth 1000 words.
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